Sentences with phrase «safe ultrasound exposure»
They could then tune and adjust their ultrasound input instantly to stabilize the bubbles, excite them to open the barrier, and deliver a drug of a predefined dose, while maintaining safe ultrasound exposure.
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The widespread assumption of safety has led researchers in fetal behaviour to assure women volunteering for clinical trials that ultrasound exposure of one to one - and - a-half hours (sometimes on more than one occasion) is safe for their unborn babies - yet we know of no follow - up of these exposed children.